Nikon 1935
Nikon AF FX DC-NIKKOR 135mm f/2D Fixed Lens User Manual
Model: 1935
Introduction
The Nikon AF DC Nikkor 135mm f/2.0D Autofocus Lens is a high-performance, medium telephoto lens designed for Nikon DSLR cameras. It features unique Nikon Defocus-image Control (DC) technology, which provides precise control over background and foreground blur, making it ideal for portrait photography. This lens offers autofocus capability and a large maximum aperture of f/2.0 for effective shooting in low-light conditions.
Figure 1: Front view of the Nikon AF FX DC-NIKKOR 135mm f/2D Fixed Lens, showing the Defocus Image Control ring and aperture ring.
What's in the Box
Verify that all components are present upon unboxing:
- AF FX DC-NIKKOR 135mm f/2D Fixed Zoom Lens
- Built-in Lens Hood
- LC-72 Snap-on Front Lens Cap
- LF-4 Rear Lens Cap
Setup
Attaching the Lens
- Ensure your camera is powered off.
- Remove the rear lens cap from the lens and the body cap from your camera.
- Align the mounting mark on the lens with the corresponding mark on the camera body.
- Rotate the lens clockwise (when viewed from the front) until it clicks into place.
- Remove the front lens cap.
Using the Built-in Lens Hood
The lens features a built-in lens hood to reduce flare and protect the front element. To extend the hood, gently pull it forward until it locks into position. To retract, push it back towards the lens barrel.
Figure 2: Side view of the lens with the built-in hood extended.
Operating the Lens
Autofocus Operation
This lens supports autofocus (AF) operation. Ensure your camera body has an internal autofocus motor, as this is a D-type lens. Cameras such as the Nikon D40 and D60 do not support AF with this lens and will require manual focusing.
- Set the focus mode switch on your camera to AF.
- The lens will automatically focus when the shutter button is half-pressed.
Manual Focus Operation
To focus manually, set the focus mode switch on your camera to M (Manual). Rotate the focusing ring on the lens until the subject appears sharp in the viewfinder or on the camera's LCD screen.
Defocus-image Control (DC)
The Defocus-image Control (DC) feature allows you to adjust the degree of spherical aberration in the foreground or background, thereby controlling the appearance of out-of-focus elements (bokeh). This is particularly useful for portrait photography to create pleasing background blur.
- Locate the DC ring on the lens barrel. It is marked with 'F' (Foreground) and 'R' (Rear/Background) settings, along with aperture values.
- To control background blur, rotate the DC ring towards 'R' and align it with the aperture value you are using (e.g., if shooting at f/2.8, set the DC ring to R2.8).
- To control foreground blur, rotate the DC ring towards 'F' and align it with the aperture value you are using.
- For normal operation without DC effect, set the DC ring to the '0' (neutral) position.
Important Note: When using the DC function, it is crucial to set your focus after adjusting the DC ring. The DC setting affects the plane of focus, and re-focusing is necessary to achieve sharp results on your subject.
Figure 3: Close-up view of the lens barrel, highlighting the Defocus Image Control ring with its 'F' and 'R' markings.
Maintenance
Cleaning the Lens
- Use a soft, lint-free cloth or a lens brush to remove dust from the lens surfaces.
- For smudges or fingerprints, apply a small amount of lens cleaning solution to a clean lens cloth and gently wipe the surface in a circular motion.
- Do not use organic solvents such as paint thinner or benzene to clean the lens.
Storage
When not in use, store the lens with both front and rear caps attached in a cool, dry place away from direct sunlight and extreme temperatures. Avoid storing the lens in areas with high humidity to prevent mold growth.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Autofocus does not work. | Camera body lacks an internal AF motor (e.g., D40, D60). | Use manual focus. This lens requires a camera body with an internal AF motor for autofocus. |
| Images appear soft or out of focus when using DC. | Focus was not re-adjusted after setting the DC ring. | Always re-focus on your subject after making adjustments to the Defocus-image Control ring. |
| Lens is difficult to attach/detach. | Misalignment or debris on the mount. | Ensure proper alignment of mounting marks. Check for and remove any debris from the lens and camera mounts. Do not force the lens. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Nikon |
| Model Number | 1935 |
| Focal Length | 135 mm |
| Lens Type | Telephoto |
| Compatible Mountings | Nikon F (FX) |
| Product Dimensions | 4.72 x 3.11 x 3.11 inches |
| Item Weight | 1.8 pounds |
| Date First Available | February 9, 2006 |
| Manufacturer | Nikon |
Warranty and Support
For detailed warranty information and technical support, please refer to the official Nikon website or the documentation provided with your purchase. A PDF version of the user manual is also available for download:
You can also visit the official Nikon Store on Amazon for additional product information and support resources.
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